1352021347625 has 16 divisors (see below), whose sum is σ = 1817116693392. Its totient is φ = 998415763200.

The previous prime is 1352021347613. The next prime is 1352021347627. The reversal of 1352021347625 is 5267431202531.

It can be written as a sum of positive squares in 8 ways, for example, as 861668484121 + 490352863504 = 928261^2 + 700252^2 .

It is not a de Polignac number, because 1352021347625 - 2¹² = 1352021343529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1352021347627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416004944 + ... + 416008193.

It is an arithmetic number, because the mean of its divisors is an integer number (113569793337).

Almost surely, 2^{1352021347625} is an apocalyptic number.

It is an amenable number.

1352021347625 is a deficient number, since it is larger than the sum of its proper divisors (465095345767).

1352021347625 is an equidigital number, since it uses as much as digits as its factorization.

1352021347625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832013165 (or 832013155 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 1352021347625 in words is "one trillion, three hundred fifty-two billion, twenty-one million, three hundred forty-seven thousand, six hundred twenty-five".